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Black One Blood Brothers

Helios Studio

Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Command a squad of top operators, with unique skills, through high-risk missions around the globe. Customize your crew, plan your missions, and adjust on the fly for a vast replayability.

ActionIndieSimulationStrategyEarly Access

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About This Game

Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Joining the "Black One" unit, you become part of an elite force comprised of top operators from around the globe. Operating independently of any government, this unit works from the shadows, free from political games and diplomatic constraints. As the leader of this squad, you're tasked with executing complex missions where every decision could mean the difference between life and death.

During the adventure offered in the campaign mode through Operation "Serpent's Whisper", the story kicks off in response to the insurgent group "New World," which has launched devastating attacks across the globe within days. Your mission is to neutralize this threat and trace the funding behind these attacks through 20 increasingly challenging missions. Be advised, the loss of an operator is permanent!

Developed in collaboration with a former French Special Forces Commando Marine, "Black One Blood Brothers" stands out for its demanding and immersive gameplay. Command a squad of 10 operators, each with unique skills, and seamlessly switch between them to leverage their specialties in either first-person or third-person view. Success hinges on meticulous planning, optimal equipment management, and teamwork.

Implement precise action sequences for each squad member using a complex yet intuitive "Battle Plan" system. Organize your forces into multiple teams, coordinate their movements, and devise custom tactics to tackle any situation, or switch to real-time command with "Quick Orders" for dynamic decision-making.

Undertake high-risk missions including target neutralization, hostage rescue, bomb defusal, and retrieval of secret documents.

Customization is at the heart of "Black One Blood Brothers." Build your squad from the ground up, selecting each member's skills and arming them with the finest arsenal.

With a variety of game modes (Dynamic campaign, Spec Ops, War, POW, Siege, Lone Wolf, Blind Ops) and a powerful, user-friendly map editor, "Black One Blood Brothers" offers vast replayability. Customize your missions, adjust difficulty, select your battlefields, and share your creations with the community through the Steam Workshop.

Community Activity

  1. Black One Blood BrothersSteam patch notes

    Update 2.15b: Hotfix #1

    - Fix: Demolition objectives not being properly placed on the “Kozol-Tai Mountains” map - Fix: Player-controlled hostages not being able to interact with certain environmental…

  2. Black One Blood BrothersSteam announcement

    Early Access - Update 2.15 is now available

    Dear Operators, Black One Blood Brothers - Update 2.15 is now available for the Early Access. This update introduces a new map, a new way to navigate, new weapons, new gears and…

  3. Black One Blood BrothersSteam announcement

    Update 2.15 - Preview

    Attention, Operators. The next major update is just around the corner. Here’s everything you need to know about what’s coming. Thank you for all your feedback. It has helped…

  4. Black One Blood BrothersSteam announcement
  5. Black One Blood BrothersSteam announcement

    Summer break is here!

    Greetings, Operators, Summer has arrived, and with the heatwave comes the perfect opportunity to look back at the first half of 2026. The migration to Unreal Engine 5.7 has been…

  6. Black One Blood BrothersSteam announcement
  7. Black One Blood BrothersSteam patch notes

    Update 2.10e: Improvements

    - Improvement: Arm and weapon movement while aiming - Improvement: Player movement transitions based on changes in movement speed - Fix: Player directional movement issues in…

  8. Black One Blood BrothersSteam patch notes

    Update 2.10d: Hotfix #2

    - Addition: New icons for certain kits - Fix: Certain clothing and gear items being available with scuba gear and visually overlapping - Fix: Weather sound volume not being…

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